Since Melissa Joan Hart’s (aka “Clarissa,” from Clarissa Explains It All) interview in Life & Style promoting her new book “Melissa Explains It All,” numerous articles have mushroomed online about the squeaky clean actress’ drug use.

At PR News we tackle many of the hot-button issues associated with communications, ranging from crisis management to social media. But we can’t forget that PR first and foremost is a business, and public relations agencies, grappling with an increasingly globalized economy, have to treat it that way.

Amazon last week distributed a press release for its new Kindle reader in a series of 14 separate tweets, each plugging a different aspect of the new product. Sure, it’s innovative. But is it valuable for PR?

According to a recent Mercer Global Performance Management Survey, company leaders still have work to do to gauge staff performance. The study surveyed business leaders from more than 1,000 organizations in 53 countries.

Man, could he pitch. Not stories to overworked journalists, mind you, but a screaming fastball that has befuddled batters for nearly 20 years. As Mariano Rivera prepares to play his last game at Yankee Stadium Thursday night, here are a few PR lessons from the greatest closer in Major League Baseball history.

Regardless of how the FTC investigation into Facebook’s new privacy changes turns out, one thing isn’t likely to change: If no one interacts with your page’s content, it won’t show up on users News Feeds.